605146140 has 120 divisors (see below), whose sum is σ = 1918434672. Its totient is φ = 159667200.

The previous prime is 605146109. The next prime is 605146141. The reversal of 605146140 is 41641506.

605146140 is a `hidden beast` number, since 6 + 0 + 514 + 6 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605146141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 155215 + ... + 159065.

Almost surely, 2^605146140 is an apocalyptic number.

605146140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605146140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959217336).

605146140 is an abundant number, since it is smaller than the sum of its proper divisors (1313288532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605146140 is a wasteful number, since it uses less digits than its factorization.

605146140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 605146140 is about 24599.7182910699. The cubic root of 605146140 is about 845.8371498826.

Adding to 605146140 its reverse (41641506), we get a palindrome (646787646).

The spelling of 605146140 in words is "six hundred five million, one hundred forty-six thousand, one hundred forty".